Oriental and Australasian Macrocera (Insecta: Diptera: Keroplatidae), with descriptions of eleven new species

A series of species of the genus Macrocera (Diptera: Keroplatidae) was examined based on specimens collected in the Oriental and Australasian regions and housed in the Bernice P. Bishop Museum, Honolulu, Hawaii, U.S.A. Of the 17 species identified, 11 are described as new to science: Macrocera argentea sp. nov. from Thailand, Malaysia, and Laos; M. celebensis sp. nov. from Indonesia; M. fissura sp. nov. from the Philippines; M. malayensis sp. nov. from Malaysia; M. nigricauda sp. nov., M. papuana sp. nov., M. rubiginosa sp. nov., M. samuelsoni sp. nov., M. spinulosa sp. nov., and M. xouthothorax sp. nov. from Papua New Guinea; and M. ypsilon sp. nov. from the Solomon Islands. New locality records are given for M. alternata Brunetti, 1912, M. brunnea Brunetti, 1912, M. ephemeraeformis Alexander, 1924, M. mastersi Skuse, 1888, and M. minima Matile, 1988. Keys to the 31 species known from the Oriental region and the nine species from the Papuan region are provided.